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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.prelude.semantics.benchmark;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Date;
import java.util.Iterator;
import com.yahoo.language.simple.SimpleLinguistics;
import com.yahoo.search.Query;
import com.yahoo.prelude.semantics.RuleBase;
import com.yahoo.prelude.semantics.RuleImporter;
import com.yahoo.prelude.semantics.parser.ParseException;
public class RuleBaseBenchmark {
public void benchmark(String ruleBaseFile, String queryFile, int iterations)
throws IOException, ParseException {
String fsaFile = null;
if(ruleBaseFile.endsWith(".sr")){
fsaFile = ruleBaseFile.substring(0,ruleBaseFile.length()-3) + ".fsa";
File fsa = new File(fsaFile);
if(!fsa.exists()){
fsaFile = null;
}
}
RuleBase ruleBase = new RuleImporter(new SimpleLinguistics()).importFile(ruleBaseFile, fsaFile);
ArrayList<String> queries = new ArrayList<>();
BufferedReader reader = new BufferedReader(new FileReader(queryFile));
String line;
while((line=reader.readLine())!=null){
queries.add(line);
}
Date start = new Date();
for (int i=0; i<iterations; i++){
for (Iterator<String> iter = queries.iterator(); iter.hasNext(); ){
String queryString = iter.next();
Query query = new Query("?query="+queryString);
ruleBase.analyze(query,0);
}
}
Date end = new Date();
long elapsed = end.getTime() - start.getTime();
System.out.print("BENCHMARK: rulebase=" + ruleBaseFile +
"\n fsa=" + fsaFile +
"\n queries=" + queryFile +
"\n iterations=" + iterations +
"\n elapsed=" + elapsed + "ms\n");
}
public static void main(String[] args) {
if(args.length<3){
System.out.println("USAGE: RuleBaseBenchmark ruleBaseFile queryFile iterations");
System.exit(1);
}
try {
new RuleBaseBenchmark().benchmark(args[0],args[1],Integer.parseInt(args[2]));
}
catch (Exception e) {
System.out.println("ERROR: " + collectMessage(e));
//e.printStackTrace();
System.exit(1);
}
}
private static String collectMessage(Throwable e) {
if (e.getCause()==null)
return messageOrName(e);
else
return messageOrName(e) + ": " + collectMessage(e.getCause());
}
private static String messageOrName(Throwable e) {
if (e.getMessage()!=null)
return e.getMessage();
else
return e.getClass().getName();
}
}
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